diff --git a/collections/game-engines/index.md b/collections/game-engines/index.md
index 921a0e064028..9f2bf74a471d 100644
--- a/collections/game-engines/index.md
+++ b/collections/game-engines/index.md
@@ -61,6 +61,8 @@ items:
  - stride3d/stride
  - B4uti4github/choppy-js
  - Facepunch/sbox-public
+ - DaemonEngine/Daemon
+ - DarkPlacesEngine/DarkPlaces
 display_name: Game Engines
 created_by: leereilly
 ---